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1.37ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 6505271595

Certificate GIA 6505271595

Diamond specifications and retailer prices

From $404 NZD
$227 USD
As of October 27, 2026
Save $2,943 NZD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,347 NZD 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 $404 to $3,347, a $2,943 spread on the same certified stone. Do Amore Diamonds lists it at $3,347. 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: $3,347 NZD|Low: $306 NZD|High: $4,391 NZD|Avg: $1,608 NZD|+13.9%
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 5$404 NZD
Retailer 19$422 NZD
Retailer 7$433 NZD
Retailer 23$433 NZD
Retailer 8$645 NZD
Retailer 3$739 NZD
Retailer 24$926 NZD
Retailer 13$996 NZD
Retailer 6$1,015 NZD
Retailer 12$1,117 NZD
Retailer 2$1,130 NZD
Retailer 10$1,393 NZD
Retailer 21$1,396 NZD
Retailer 22$1,407 NZD
Retailer 4$1,537 NZD
Retailer 9$1,893 NZD
Retailer 20$1,924 NZD
Retailer 15$2,030 NZD
Retailer 17$2,030 NZD
Retailer 18$2,159 NZD
Retailer 14$2,742 NZD
Retailer 11$3,241 NZD
Do Amore Diamonds$3,347 NZD
Retailer 16$4,391 NZD

12 data points across 24 retailers

17 retailers$404 NZD to $3,347 NZD

A
Cheapest Retailer
-
$404 NZD
$227 USD
A
Retailer 2
-
$422 NZD
$237 USD
View
A
Retailer 3
-
$433 NZD
$243 USD
View
A
Retailer 4
-
$433 NZD
$243 USD
View
B+
Retailer 5
-
$645 NZD
$362 USD
View
A
Retailer 6
-
$739 NZD
$415 USD
View
B+
Retailer 7
-
$926 NZD
$520 USD
View
B+
Retailer 8
-
$996 NZD
£441 GBP
View
B+
Retailer 9
-
$1,015 NZD
$570 USD
View
B+
Retailer 10
-
$1,130 NZD
£500 GBP
View
B
Retailer 11
-
$1,396 NZD
$784 USD
View
B
Retailer 12
-
$1,407 NZD
$790 USD
View
B
Retailer 13
-
$1,537 NZD
$863 USD
View
B
Retailer 14
-
$1,893 NZD
$1,063 USD
View
B
Retailer 15
-
$1,924 NZD
£851 GBP
View
B
Retailer 16
-
$2,159 NZD
$1,213 USD
View
Most Expensive
B
Do Amore Diamonds
27-A1569C252 · Oct 29
$3,347 NZD
$1,880 USD
View
16 more retailers have this diamond
Prices start from $404 NZDSave up to $2,943 NZD

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
$404 NZD