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Round|Lab Grown|GIA

1.37ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 6505271595

Certificate GIA 6505271595

Diamond specifications and retailer prices

From $291 SGD
$227 USD
As of October 27, 2026
Save $2,119 SGD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,410 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505271595. Listed at 17 retailers as of October 27, 2026, with prices from $291 to $2,410, a $2,119 spread on the same certified stone. Do Amore Diamonds lists it at $2,410. 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

1.37
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6505271595
Dimensions7.15 × 7.13 × 4.39 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.15 mm7.13 mm1.37 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505271595
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°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 27
Current: $2,410 SGD|Low: $220 SGD|High: $3,161 SGD|Avg: $1,157 SGD|+13.9%
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 5$291 SGD
Retailer 19$304 SGD
Retailer 7$311 SGD
Retailer 23$311 SGD
Retailer 8$464 SGD
Retailer 3$532 SGD
Retailer 24$666 SGD
Retailer 13$717 SGD
Retailer 6$731 SGD
Retailer 12$804 SGD
Retailer 2$813 SGD
Retailer 10$1,003 SGD
Retailer 21$1,005 SGD
Retailer 22$1,013 SGD
Retailer 4$1,106 SGD
Retailer 9$1,362 SGD
Retailer 20$1,385 SGD
Retailer 15$1,461 SGD
Retailer 17$1,461 SGD
Retailer 18$1,554 SGD
Retailer 14$1,974 SGD
Retailer 11$2,333 SGD
Do Amore Diamonds$2,410 SGD
Retailer 16$3,161 SGD

12 data points across 24 retailers

17 retailers$291 SGD to $2,410 SGD

A
Cheapest Retailer
-
$291 SGD
$227 USD
A
Retailer 2
-
$304 SGD
$237 USD
View
A
Retailer 3
-
$311 SGD
$243 USD
View
A
Retailer 4
-
$311 SGD
$243 USD
View
B+
Retailer 5
-
$464 SGD
$362 USD
View
A
Retailer 6
-
$532 SGD
$415 USD
View
B+
Retailer 7
-
$666 SGD
$520 USD
View
B+
Retailer 8
-
$717 SGD
£441 GBP
View
B+
Retailer 9
-
$731 SGD
$570 USD
View
B+
Retailer 10
-
$813 SGD
£500 GBP
View
B
Retailer 11
-
$1,005 SGD
$784 USD
View
B
Retailer 12
-
$1,013 SGD
$790 USD
View
B
Retailer 13
-
$1,106 SGD
$863 USD
View
B
Retailer 14
-
$1,362 SGD
$1,063 USD
View
B
Retailer 15
-
$1,385 SGD
£851 GBP
View
B
Retailer 16
-
$1,554 SGD
$1,213 USD
View
Most Expensive
B
Do Amore Diamonds
27-A1569C252 · Oct 29
$2,410 SGD
$1,880 USD
View
16 more retailers have this diamond
Prices start from $291 SGDSave up to $2,119 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
1.37ct Round
$291 SGD