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Radiant|Lab Grown|IGI

3.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG697504753

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

Certificate IGI LG697504753

Diamond specifications and retailer prices

From HK$11,957 HKD
$1,524 USD
As of October 29, 2026
Save HK$56,693 HKD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$68,650 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown radiant diamond

This 3.51ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG697504753 or 697504753. Listed at 20 retailers as of October 29, 2026, with prices from HK$11,957 to HK$68,650, a HK$56,693 spread on the same certified stone. Brilliant Earth lists it at HK$68,650. 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

3.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697504753
Dimensions10.82 × 7.14 × 4.95 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm7.14 mm3.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697504753
Side View
Table 64.0%Crown 45.7°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 69.3%

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$68,650 HKD|Low: HK$10,804 HKD|High: HK$91,559 HKD|Avg: HK$27,295 HKD|-25.0%
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 14HK$10,804 HKD
Retailer 15HK$11,361 HKD
Retailer 11HK$11,517 HKD
Retailer 17HK$11,957 HKD
Retailer 22HK$12,788 HKD
Retailer 5HK$13,256 HKD
Retailer 4HK$13,424 HKD
Retailer 2HK$16,095 HKD
Retailer 18HK$16,382 HKD
Retailer 19HK$18,206 HKD
Retailer 3HK$21,340 HKD
Retailer 13HK$26,586 HKD
Retailer 21HK$27,620 HKD
Retailer 20HK$31,461 HKD
Retailer 6HK$32,677 HKD
Retailer 7HK$35,855 HKD
Retailer 16HK$36,987 HKD
Retailer 8HK$38,330 HKD
Retailer 9HK$40,169 HKD
Retailer 10HK$44,821 HKD
Retailer 12HK$48,683 HKD
Brilliant EarthHK$68,650 HKD

32 data points across 22 retailers

20 retailersHK$11,957 HKD to HK$68,650 HKD

A
Cheapest Retailer
-
HK$11,957 HKD
$1,524 USD
Final sale: no returns
A
Retailer 2
-
HK$12,788 HKD
$1,630 USD
View
A
Retailer 3
-
HK$13,256 HKD
View
A
Retailer 4
-
HK$13,424 HKD
$1,711 USD
View
A
Retailer 5
-
HK$16,095 HKD
£1,615 GBP
View
A
Retailer 6
-
HK$16,382 HKD
$2,088 USD
View
Retailer 7
-
HK$18,206 HKD
€2,210 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$21,340 HKD
$2,720 USD
View
A
Retailer 9
-
HK$26,586 HKD
ZAR 54,744 ZAR
View
A
Retailer 10
-
HK$27,620 HKD
£2,772 GBP
View
B+
Retailer 11
-
HK$31,461 HKD
$4,010 USD
View
B+
Retailer 12
-
HK$32,677 HKD
$4,165 USD
View
B+
Retailer 13
-
HK$35,855 HKD
$4,570 USD
View
B+
Retailer 14
-
HK$36,987 HKD
£3,712 GBP
View
B+
Retailer 15
-
HK$38,330 HKD
SGD 6,602 SGD
View
B+
Retailer 16
-
HK$40,169 HKD
$5,120 USD
View
Retailer 17
-
HK$44,821 HKD
A$8,789 AUD
View
Price last confirmed 32 days ago
Retailer 18
-
HK$45,255 HKD
$5,768 USD
View
Price last confirmed 96 days ago
Retailer 19
-
HK$48,683 HKD
$6,205 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
13779104A · Oct 30
HK$68,650 HKD
$8,750 USD
View
19 more retailers have this diamond
Prices start from HK$11,957 HKDSave up to HK$56,693 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
3.51ct Radiant
HK$11,957 HKD