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Oval|Lab Grown|IGI

3.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG768631106

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768631106

Diamond specifications and retailer prices

From HK$6,943 HKD
$885 USD
As of October 29, 2026
Save HK$62,719 HKD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$69,662 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.12ct lab-grown oval diamond

This 3.12ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768631106 or 768631106. Listed at 19 retailers as of October 29, 2026, with prices from HK$6,943 to HK$69,662, a HK$62,719 spread on the same certified stone. Blue Nile lists it at HK$69,662. 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

3.12
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631106
Dimensions11.36 × 8.05 × 5.21 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
11.36 mm8.05 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631106
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 64.7%

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 29
Current: HK$69,662 HKD|Low: HK$6,943 HKD|High: HK$81,125 HKD|Avg: HK$28,354 HKD
Blue Nile
Retailer 2
Retailer 3
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Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 3HK$6,943 HKD
Retailer 12HK$7,328 HKD
Retailer 15HK$9,525 HKD
Retailer 13HK$9,807 HKD
Retailer 17HK$10,616 HKD
Retailer 7HK$12,930 HKD
Retailer 2HK$14,054 HKD
Retailer 14HK$17,927 HKD
Retailer 18HK$18,343 HKD
Retailer 8HK$21,286 HKD
Retailer 6HK$23,124 HKD
Retailer 11HK$24,251 HKD
Retailer 4HK$30,331 HKD
Retailer 9HK$42,798 HKD
Retailer 10HK$58,509 HKD
Retailer 5HK$61,667 HKD
Retailer 16HK$66,296 HKD
Blue NileHK$69,662 HKD

36 data points across 18 retailers

19 retailersHK$6,943 HKD to HK$69,662 HKD

A
Cheapest Retailer
-
HK$6,943 HKD
$885 USD
A
Retailer 2
-
HK$7,328 HKD
$934 USD
View
A
Retailer 3
-
HK$9,195 HKD
$1,172 USD
View
Final sale: no returns
A
Retailer 4
-
HK$9,525 HKD
$1,214 USD
View
A
Retailer 5
-
HK$9,807 HKD
$1,250 USD
View
A
Retailer 6
-
HK$10,616 HKD
£1,065 GBP
View
A
Retailer 7
-
HK$12,930 HKD
$1,648 USD
View
A
Retailer 8
-
HK$14,054 HKD
€1,706 EUR
View
A
Retailer 9
-
HK$17,927 HKD
$2,285 USD
View
A
Retailer 10
-
HK$18,343 HKD
$2,338 USD
View
Retailer 11
-
HK$21,286 HKD
A$4,174 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
HK$23,124 HKD
$2,947 USD
View
B+
Retailer 13
-
HK$24,251 HKD
$3,091 USD
View
B+
Retailer 14
-
HK$30,331 HKD
£3,044 GBP
View
Retailer 15
-
HK$42,798 HKD
$5,455 USD
View
Price last confirmed 12 days ago
Retailer 16
-
HK$58,509 HKD
A$11,473 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
HK$61,667 HKD
$7,860 USD
View
B
Retailer 18
-
HK$66,296 HKD
$8,450 USD
View
Most Expensive
B
Blue Nile
28329513 · Oct 31
HK$69,662 HKD
$8,879 USD
View
18 more retailers have this diamond
Prices start from HK$6,943 HKDSave up to HK$62,719 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
3.12ct Oval
HK$6,943 HKD