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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG817693421

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

Certificate IGI LG817693421

Diamond specifications and retailer prices

From HK$15,480 HKD
$1,973 USD
As of October 30, 2026
Save HK$47,385 HKD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$62,865 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693421 or 817693421. Listed at 20 retailers as of October 30, 2026, with prices from HK$15,480 to HK$62,865, a HK$47,385 spread on the same certified stone. Taylor and Hart lists it at HK$62,865. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693421
Dimensions10.30 × 7.28 × 4.78 mm
L/W Ratio1.41
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
10.30 mm7.28 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693421
Side View
Table 62.0%Crown 45.6°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 65.7%

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 30
Current: HK$28,380 HKD|Low: HK$15,480 HKD|High: HK$69,497 HKD|Avg: HK$36,219 HKD|-27.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 3HK$15,480 HKD
Retailer 10HK$16,845 HKD
Retailer 5HK$17,331 HKD
Retailer 18HK$17,959 HKD
Retailer 15HK$19,261 HKD
Retailer 6HK$20,688 HKD
Retailer 17HK$24,690 HKD
Retailer 12HK$24,704 HKD
Retailer 11HK$25,295 HKD
Retailer 4HK$25,750 HKD
Retailer 16HK$28,119 HKD
Retailer 1HK$28,380 HKD
Retailer 19HK$29,492 HKD
Retailer 2HK$34,077 HKD
Retailer 13HK$41,706 HKD
Retailer 7HK$46,337 HKD
Retailer 14HK$51,564 HKD
Retailer 8HK$53,764 HKD
Retailer 9HK$60,003 HKD
Taylor and HartHK$62,865 HKD

36 data points across 20 retailers

20 retailersHK$15,480 HKD to HK$62,865 HKD

A
Cheapest Retailer
-
HK$15,480 HKD
$1,973 USD
A
Retailer 2
-
HK$16,845 HKD
$2,147 USD
View
A
Retailer 3
-
HK$17,331 HKD
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
HK$17,959 HKD
$2,289 USD
View
A
Retailer 5
-
HK$19,261 HKD
$2,455 USD
View
A
Retailer 6
-
HK$20,688 HKD
View
A
Retailer 7
-
HK$24,690 HKD
$3,147 USD
View
A
Retailer 8
-
HK$24,704 HKD
£2,479 GBP
View
Retailer 9
-
HK$25,295 HKD
$3,224 USD
View
Price last confirmed 19 days ago
A
Retailer 10
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HK$25,750 HKD
$3,282 USD
View
A
Retailer 11
-
HK$28,119 HKD
$3,584 USD
View
B+
Retailer 12
-
HK$28,380 HKD
€3,445 EUR
View
B+
Retailer 13
-
HK$29,492 HKD
$3,759 USD
View
B+
Retailer 14
-
HK$34,077 HKD
£3,420 GBP
View
B+
Retailer 15
-
HK$41,706 HKD
ZAR 85,876 ZAR
View
B+
Retailer 16
-
HK$46,337 HKD
$5,906 USD
View
B
Retailer 17
-
HK$51,564 HKD
£5,175 GBP
View
B
Retailer 18
-
HK$53,764 HKD
$6,853 USD
View
B
Retailer 19
-
HK$60,003 HKD
SGD 10,335 SGD
View
Most Expensive
B
Taylor and Hart
1ZBGUXG · Oct 30
HK$62,865 HKD
$8,013 USD
View
19 more retailers have this diamond
Prices start from HK$15,480 HKDSave up to HK$47,385 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
3.10ct Radiant
HK$15,480 HKD