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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584187

Diamond specifications and retailer prices

From $782 SGD
As of November 1, 2026
Save $2,153 SGD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,935 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown oval diamond

This 3.07ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584187 or 678584187. Listed at 15 retailers as of October 31, 2026, with prices from $782 to $2,935, a $2,153 spread on the same certified stone. Brilliant Earth lists it at $2,935. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.07
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584187
Dimensions11.71 × 8.25 × 4.93 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.25 mm3.07 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584187
Side View
Table 61.0%Crown 35.9°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 59.8%

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 1
Current: $2,935 SGD|Low: $469 SGD|High: $2,935 SGD|Avg: $1,235 SGD
Brilliant Earth
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
November 1, 2026
Retailer 3$469 SGD
Retailer 16$537 SGD
Retailer 15$545 SGD
Retailer 7$631 SGD
Retailer 8$631 SGD
Retailer 13$775 SGD
Retailer 10$782 SGD
Retailer 11$987 SGD
Retailer 2$1,050 SGD
Retailer 4$1,093 SGD
Retailer 14$1,394 SGD
Retailer 9$1,461 SGD
Retailer 12$1,871 SGD
Retailer 6$2,435 SGD
Retailer 5$2,466 SGD
Brilliant Earth$2,935 SGD

41 data points across 16 retailers

15 retailers$782 SGD to $2,935 SGD

Retailer 1
-
$469 SGD
Price last confirmed 10 days ago
Retailer 2
-
$545 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$631 SGD
View
Price last confirmed 12 days ago
Retailer 4
-
$631 SGD
View
Price last confirmed 12 days ago
Retailer 5
-
$775 SGD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
$782 SGD
View
A
Retailer 7
-
$987 SGD
View
A
Retailer 8
-
$1,050 SGD
View
A
Retailer 9
-
$1,093 SGD
View
B+
Retailer 10
-
$1,394 SGD
View
B+
Retailer 11
-
$1,461 SGD
View
Retailer 12
-
$1,871 SGD
View
Price last confirmed 9 days ago
Retailer 13
-
$2,435 SGD
View
Price last confirmed 16 days ago
Retailer 14
-
$2,466 SGD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
17470558A · Oct 31
$2,935 SGD
$2,290 USD
View
14 more retailers have this diamond
Prices start from $782 SGDSave up to $2,153 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
3.07ct Oval
$782 SGD