Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644850

Diamond specifications and retailer prices

From $266 SGD
$208 USD
As of October 30, 2026
Save $1,201 SGD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,728 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644850 or 818644850. Listed at 23 retailers as of October 30, 2026, with a 452% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644850
Dimensions6.79 × 6.82 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.79 mm6.82 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644850
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $500 SGD|Low: $228 SGD|High: $1,393 SGD|Avg: $600 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$238 SGD
Retailer 2$294 SGD
Retailer 4$327 SGD
Retailer 3$396 SGD
Retailer 8$497 SGD
Retailer 1$500 SGD
Retailer 9$505 SGD
Retailer 6$532 SGD
Retailer 10$718 SGD
Retailer 12$750 SGD
Retailer 5$946 SGD
Retailer 7$1,074 SGD
Retailer 11$1,378 SGD

38 data points across 13 retailers

23 retailers$266 SGD to $1,467 SGD

Retailer 1
-
$238 SGD
$186 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$266 SGD
$208 USD
View
Final sale: no returns
A
Retailer 3
-
$275 SGD
$215 USD
View
Retailer 4
-
$294 SGD
$230 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$294 SGD
$230 USD
View
A
Retailer 6
-
$327 SGD
HK$2,000 HKD
View
B+
Retailer 7
-
$396 SGD
$310 USD
View
A
Retailer 8
-
$495 SGD
$387 USD
View
A
Retailer 9
-
$497 SGD
€370 EUR
View
A
Retailer 10
-
$500 SGD
£308 GBP
View
A
Retailer 11
-
$505 SGD
ZAR 6,385 ZAR
View
B+
Retailer 12
-
$532 SGD
£327 GBP
View
B+
Retailer 13
-
$609 SGD
$476 USD
View
B+
Retailer 14
-
$718 SGD
A$864 AUD
View
B+
Retailer 15
-
$750 SGD
$587 USD
View
Retailer 16
-
$946 SGD
$740 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$958 SGD
View
B
Retailer 18
-
$984 SGD
$770 USD
View
B
Retailer 19
-
$1,015 SGD
$794 USD
View
B
Retailer 20
-
$1,074 SGD
$840 USD
View
B
Retailer 21
-
$1,378 SGD
£849 GBP
View
B
Retailer 22
-
$1,467 SGD
$1,148 USD
View
Most Expensive
Queensmith
LG818644850 · Oct 27
$2,728 SGD
£1,680 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $266 SGDSave up to $1,201 SGD

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
1.20ct Round
$266 SGD