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1.88ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG502106758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502106758

Diamond specifications and retailer prices

From $3,988 NZD
As of November 5, 2026
Save $8,528 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,516 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.88ct lab-grown round diamond

This 1.88ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG502106758 or 502106758. Listed at 8 retailers as of November 5, 2026, with prices from $3,988 to $12,516, a $8,528 spread on the same certified stone. MOH London lists it at $12,516. 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

1.88
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502106758
Dimensions7.89 × 7.87 × 4.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.87 mm1.88 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502106758
Side View
Table 54.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,516 NZD|Low: $3,828 NZD|High: $12,717 NZD|Avg: $6,465 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$3,988 NZD
Retailer 10$4,141 NZD
Retailer 11$4,298 NZD
Retailer 7$4,339 NZD
Retailer 5$4,625 NZD
Retailer 9$5,851 NZD
Retailer 8$6,358 NZD
Retailer 6$7,221 NZD
Retailer 2$7,251 NZD
Retailer 3$10,350 NZD
MOH London$12,516 NZD

15 data points across 11 retailers

8 retailers$3,988 NZD to $12,516 NZD

B+
Cheapest Retailer
-
$3,988 NZD
B
Retailer 2
-
$4,339 NZD
View
Retailer 3
-
$4,625 NZD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$4,625 NZD
View
B
Retailer 5
-
$6,358 NZD
View
B
Retailer 6
-
$7,221 NZD
View
B
Retailer 7
-
$7,251 NZD
View
Most Expensive
B
MOH London
LG502106758 · Nov 5
$12,516 NZD
£5,540 GBP
View
7 more retailers have this diamond
Prices start from $3,988 NZDSave up to $8,528 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.

B+
1.88ct Round
$3,988 NZD