Radiant|Lab Grown|IGI

11.51ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG707521431

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG707521431

Diamond specifications and retailer prices

From HK$19,058 HKD
$2,429 USD
As of November 2, 2026
Save HK$120,838 HKD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$139,896 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 11.51ct lab-grown radiant diamond

This 11.51ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707521431 or 707521431. Listed at 25 retailers as of November 1, 2026, with prices from HK$19,058 to HK$139,896, a HK$120,838 spread on the same certified stone. Do Amore Diamonds lists it at HK$139,896. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707521431
Dimensions16.44 × 10.77 × 6.99 mm
L/W Ratio1.53
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.44 mm10.77 mm11.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707521431
Side View
Table 60.0%Crown 46.1°Girdle: ThickPavilion 30.1°Culet: NoneDepth 64.9%

Caratlytics Score

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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: Nov 2
Current: HK$19,600 HKD|Low: HK$18,297 HKD|High: HK$59,034 HKD|Avg: HK$33,012 HKD|-0.5%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 2HK$18,297 HKD
Retailer 1HK$19,600 HKD
Retailer 6HK$21,341 HKD
Retailer 14HK$22,110 HKD
Retailer 15HK$22,110 HKD
Retailer 13HK$23,381 HKD
Retailer 5HK$26,033 HKD
Retailer 3HK$31,047 HKD
Retailer 8HK$32,691 HKD
Retailer 12HK$33,150 HKD
Retailer 10HK$37,783 HKD
Retailer 7HK$42,090 HKD
Retailer 11HK$45,076 HKD
Retailer 9HK$45,216 HKD
Retailer 4HK$59,034 HKD

42 data points across 15 retailers

25 retailersHK$19,058 HKD to HK$139,896 HKD

Retailer 1
-
HK$18,297 HKD
$2,332 USD
Price last confirmed 31 days ago
A
Retailer 2
-
HK$19,058 HKD
$2,429 USD
View
A
Retailer 3
-
HK$19,600 HKD
£1,967 GBP
View
Retailer 4
-
HK$20,737 HKD
$2,643 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
HK$21,341 HKD
$2,720 USD
View
Final sale: no returns
A
Retailer 6
-
HK$22,110 HKD
$2,818 USD
View
Retailer 7
-
HK$22,110 HKD
$2,818 USD
View
Price last confirmed 30 days ago
Retailer 8
-
HK$22,110 HKD
$2,818 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
HK$23,381 HKD
$2,980 USD
View
A
Retailer 10
-
HK$26,033 HKD
$3,318 USD
View
B+
Retailer 11
-
HK$31,047 HKD
$3,957 USD
View
B+
Retailer 12
-
HK$32,691 HKD
£3,281 GBP
View
B+
Retailer 13
-
HK$33,150 HKD
$4,225 USD
View
Retailer 14
-
HK$33,550 HKD
$4,276 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
HK$33,550 HKD
$4,276 USD
View
B+
Retailer 16
-
HK$37,783 HKD
ZAR 77,794 ZAR
View
B+
Retailer 17
-
HK$42,090 HKD
£4,224 GBP
View
Retailer 18
-
HK$45,076 HKD
$5,745 USD
View
Price last confirmed 12 days ago
B+
Retailer 19
-
HK$45,216 HKD
A$8,866 AUD
View
B+
Retailer 20
-
HK$48,363 HKD
$6,164 USD
View
B
Retailer 21
-
HK$59,034 HKD
$7,524 USD
View
B
Retailer 22
-
HK$61,383 HKD
$7,823 USD
View
B
Retailer 23
-
HK$85,092 HKD
$10,845 USD
View
B
Retailer 24
-
HK$131,108 HKD
$16,710 USD
View
Most Expensive
B
Do Amore Diamonds
23-707521431 · Nov 1
HK$139,896 HKD
$17,830 USD
View
24 more retailers have this diamond
Prices start from HK$19,058 HKDSave up to HK$120,838 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
11.51ct Radiant
HK$19,058 HKD