Marquise|Lab Grown|GCAL

3.12ct D IF Marquise Lab Grown Diamond

EX • D/IF • GCAL 361526164

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 361526164

Diamond specifications and retailer prices

From $8,367 SGD
$6,545 USD
As of October 31, 2026
Save $14,570 SGD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $38,785 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.12ct lab-grown marquise diamond

This 3.12ct lab-grown marquise 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 GCAL 361526164. Listed at 9 retailers as of October 30, 2026, with a 174% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361526164
Dimensions14.46 × 7.86 × 4.84 mm
L/W Ratio1.84
Culet sizeNone
Top View
14.46 mm7.86 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361526164
Side View
Table 59.0%Crown 34.5°Girdle: MED-MEDPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $22,217 SGD|Low: $7,901 SGD|High: $55,815 SGD|Avg: $21,271 SGD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 10$7,901 SGD
Retailer 4$8,367 SGD
Retailer 9$9,661 SGD
Retailer 7$11,896 SGD
Retailer 3$16,146 SGD
Retailer 5$16,146 SGD
Retailer 6$21,769 SGD
Retailer 1$22,217 SGD
Retailer 2$22,937 SGD
Taylor and Hart$38,785 SGD
Retailer 8$55,815 SGD

13 data points across 11 retailers

9 retailers$8,367 SGD to $22,937 SGD

A
Cheapest Retailer
-
$8,367 SGD
$6,545 USD
B+
Retailer 2
-
$9,661 SGD
CA$10,496 CAD
View
B+
Retailer 3
-
$11,896 SGD
$9,305 USD
View
B+
Retailer 4
-
$16,146 SGD
$12,630 USD
View
B
Retailer 5
-
$16,146 SGD
$12,630 USD
View
B
Retailer 6
-
$22,217 SGD
£13,684 GBP
View
B
Retailer 7
-
$22,937 SGD
$17,942 USD
View
Most Expensive
Taylor and Hart
63ITWXJ · Oct 31
$38,785 SGD
$30,338 USD
View
Price under review
7 more retailers have this diamond
Prices start from $8,367 SGDSave up to $14,570 SGD

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 Marquise
$8,367 SGD