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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG710543247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710543247

Diamond specifications and retailer prices

From HK$1,381 HKD
$176 USD
As of October 29, 2026
Save HK$7,374 HKD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$8,755 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710543247 or 710543247. Listed at 23 retailers as of October 28, 2026, with prices from HK$1,381 to HK$8,755, a HK$7,374 spread on the same certified stone. Reve Diamonds lists it at HK$8,755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710543247
Dimensions6.85 × 6.90 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.85 mm6.90 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710543247
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$3,057 HKD|Low: HK$1,365 HKD|High: HK$8,755 HKD|Avg: HK$3,967 HKD|+7.5%
Retailer 1
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Retailer 4
Retailer 5
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Retailer 10
Retailer 11
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Reve Diamonds
October 29, 2026
Retailer 10HK$1,381 HKD
Retailer 20HK$1,538 HKD
Retailer 21HK$1,600 HKD
Retailer 5HK$1,710 HKD
Retailer 7HK$1,710 HKD
Retailer 16HK$2,935 HKD
Retailer 6HK$3,044 HKD
Retailer 1HK$3,057 HKD
Retailer 2HK$3,067 HKD
Retailer 15HK$3,303 HKD
Retailer 4HK$3,656 HKD
Retailer 13HK$3,814 HKD
Retailer 3HK$3,962 HKD
Retailer 18HK$4,171 HKD
Retailer 8HK$4,495 HKD
Retailer 19HK$5,335 HKD
Retailer 17HK$5,385 HKD
Retailer 11HK$5,492 HKD
Retailer 14HK$5,829 HKD
Retailer 9HK$5,921 HKD
Retailer 12HK$8,030 HKD
Reve DiamondsHK$8,755 HKD

42 data points across 22 retailers

23 retailersHK$1,381 HKD to HK$8,755 HKD

A
Cheapest Retailer
-
HK$1,381 HKD
$176 USD
A
Retailer 2
-
HK$1,538 HKD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,600 HKD
$204 USD
View
A
Retailer 4
-
HK$1,710 HKD
$218 USD
View
A
Retailer 5
-
HK$1,710 HKD
$218 USD
View
A
Retailer 6
-
HK$2,935 HKD
ZAR 6,043 ZAR
View
A
Retailer 7
-
HK$3,044 HKD
$388 USD
View
A
Retailer 8
-
HK$3,057 HKD
£307 GBP
View
A
Retailer 9
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HK$3,067 HKD
$391 USD
View
B+
Retailer 10
-
HK$3,303 HKD
€401 EUR
View
B+
Retailer 11
-
HK$3,656 HKD
$466 USD
View
B+
Retailer 12
-
HK$3,814 HKD
A$748 AUD
View
B+
Retailer 13
-
HK$3,962 HKD
$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
HK$4,171 HKD
A$818 AUD
View
B+
Retailer 15
-
HK$4,495 HKD
$573 USD
View
B+
Retailer 16
-
HK$5,209 HKD
$664 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
HK$5,335 HKD
$680 USD
View
B+
Retailer 18
-
HK$5,385 HKD
A$1,056 AUD
View
B
Retailer 19
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HK$5,492 HKD
$700 USD
View
B
Retailer 20
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HK$5,921 HKD
$755 USD
View
B
Retailer 21
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HK$5,947 HKD
$758 USD
View
B
Retailer 22
-
HK$8,030 HKD
£806 GBP
View
Most Expensive
B
Reve Diamonds
61308D224 · Oct 28
HK$8,755 HKD
$1,116 USD
View
22 more retailers have this diamond
Prices start from HK$1,381 HKDSave up to HK$7,374 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Round
HK$1,381 HKD