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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG487174470

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174470

Diamond specifications and retailer prices

From HK$4,002 HKD
$510 USD
As of October 31, 2026
Save HK$6,245 HKD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$15,512 HKD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487174470 or 487174470. Listed at 12 retailers as of October 31, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174470
Dimensions6.40 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.40 mm6.36 mm1.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG487174470
Side View
Table 60.5%Crown 33.9°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$15,512 HKD|Low: HK$4,002 HKD|High: HK$25,031 HKD|Avg: HK$9,700 HKD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5HK$4,002 HKD
Retailer 4HK$5,430 HKD
Retailer 8HK$6,081 HKD
Retailer 6HK$6,300 HKD
Retailer 9HK$7,689 HKD
Retailer 10HK$9,125 HKD
Retailer 2HK$9,972 HKD
Retailer 7HK$10,247 HKD
Friendly DiamondsHK$15,512 HKD
Retailer 3HK$24,732 HKD

40 data points across 10 retailers

12 retailersHK$4,002 HKD to HK$10,247 HKD

B+
Cheapest Retailer
-
HK$4,002 HKD
$510 USD
B
Retailer 2
-
HK$5,430 HKD
$692 USD
View
B
Retailer 3
-
HK$5,908 HKD
$753 USD
View
B
Retailer 4
-
HK$6,081 HKD
$775 USD
View
Final sale: no returns
Retailer 5
-
HK$6,300 HKD
$803 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
HK$6,300 HKD
$803 USD
View
B
Retailer 7
-
HK$7,689 HKD
$980 USD
View
B
Retailer 8
-
HK$9,972 HKD
£1,001 GBP
View
B
Retailer 9
-
HK$10,247 HKD
$1,306 USD
View
Most Expensive
Friendly Diamonds
1595461 · Oct 30
HK$15,512 HKD
$1,977 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$4,002 HKDSave up to HK$6,245 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.

B+
1.00ct Round
HK$4,002 HKD